<template>
  <div role="progressbar" :style="{ '--value': value, '--size': size }"></div>
</template>

<script setup lang="ts">
let value = defineModel("value", { default: "10" });
let size = defineModel("size", { default: "100px" });
</script>

<style scoped>
@keyframes progress {
  0% {
    --percentage: 0;
  }

  100% {
    --percentage: var(--value);
  }
}

@property --percentage {
  syntax: "<number>";
  inherits: true;
  initial-value: 0;
}

[role="progressbar"] {
  --percentage: var(--value);
  --primary: #369;
  --secondary: #adf;

  animation: progress 2s 0.5s forwards;
  width: var(--size);
  aspect-ratio: 1;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}

[role="progressbar"]::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: conic-gradient(var(--primary) calc(var(--percentage) * 1%), var(--secondary) 0);
  mask: radial-gradient(white 55%, transparent 0);
  mask-mode: alpha;
  -webkit-mask: radial-gradient(#0000 55%, #000 0);
  -webkit-mask-mode: alpha;
}

[role="progressbar"]::after {
  counter-reset: percentage var(--value);
  content: counter(percentage) "%";
  font-family: Helvetica, Arial, sans-serif;
  font-size: calc(var(--size) / 5);
  color: var(--primary);
}
</style>
